Your english is very poor, at a guess, you're looking for something
that will give you a database dump (backup).
@turbogears.expose()
def retrieve_backup(self, key):
""" Retrieves a database backup if the key provided is
correct """
if key != '8dj3jjfhd8':
return
fh = os.popen("pg_dump my_database | gzip","r")
now = datetime.now()
cherrypy.response.headerMap["Content-Type"] =
"application/x-download"
cherrypy.response.headerMap["Content-disposition"] =
"attachment; filename=my-database-export_%d-%02d-%02d.psql.gz" %
(now.year, now.month, now.day)
data = fh.read(4096)
while data:
yield data
data = fh.read(4069)
fh.close()
return
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